/*
 * Created on 02-Jan-2005
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package org.gudy.azureus2.pluginsimpl.local.utils.xml.rss;

import java.net.URL;
import java.util.Date;

import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.plugins.utils.xml.rss.RSSItem;
import org.gudy.azureus2.plugins.utils.xml.simpleparser.SimpleXMLParserDocumentAttribute;
import org.gudy.azureus2.plugins.utils.xml.simpleparser.SimpleXMLParserDocumentNode;

/**
 * @author parg
 * 
 */

public class RSSItemImpl implements RSSItem {
    private boolean is_atom;
    private SimpleXMLParserDocumentNode node;

    protected RSSItemImpl(SimpleXMLParserDocumentNode _node, boolean _is_atom) {
        is_atom = _is_atom;
        node = _node;
    }

    public String getTitle() {
        if (node.getChild("title") != null) {

            return (node.getChild("title").getValue());
        }

        return (null);
    }

    public String getDescription() {
        if (node.getChild("description") != null) {

            return (node.getChild("description").getValue());
        }

        return (null);
    }

    public URL getLink() {
        SimpleXMLParserDocumentNode link_node = node.getChild("link");

        if (link_node != null) {

            try {
                if (is_atom) {

                    SimpleXMLParserDocumentAttribute attr = link_node.getAttribute("href");

                    if (attr == null) {

                        return (null);
                    }

                    String value = attr.getValue().trim();

                    if (value.length() == 0) {

                        return (null);
                    }

                    return (new URL(value));

                } else {

                    String value = link_node.getValue().trim();

                    if (value.length() == 0) {

                        return (null);
                    }

                    return (new URL(value));
                }
            } catch (Throwable e) {

                Debug.printStackTrace(e);

                return (null);
            }
        }

        return (null);
    }

    public Date getPublicationDate() {
        SimpleXMLParserDocumentNode pd = node.getChild(is_atom ? "published" : "pubdate");

        if (pd != null) {

            if (is_atom) {

                return (RSSUtils.parseAtomDate(pd.getValue()));

            } else {

                return (RSSUtils.parseRSSDate(pd.getValue()));
            }
        }

        return (null);
    }

    public String getUID() {
        SimpleXMLParserDocumentNode uid = node.getChild(is_atom ? "id" : "guid");

        if (uid != null) {

            String value = uid.getValue().trim();

            if (value.length() > 0) {

                return (value);
            }
        }

        return (null);
    }

    public SimpleXMLParserDocumentNode getNode() {
        return (node);
    }
}
